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ENGINES
Is the old dynastart a good charger?
Q What size of batteries should I be using for the Volvo Penta MD2B engine in our Westerly Centaur? The boat is 50 years old and uses a dynastart which, I have been told a few times, isn’t nearly as good as an alternator and separate starter motor.
The dynastart (which is 11A) is new and the present batteries are a 60Ah starter battery and an 80Ah domestic battery. I’d obviously like to use the most powerful batteries possible, especially for starting, but understand that if the Ah is too large,